/*
 * Copyright (c) 2025 DuckDuckGo
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.duckduckgo.contentscopescripts.impl.features.navigatorinterface.store

import com.duckduckgo.common.utils.DispatcherProvider
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.launch

interface NavigatorInterfaceRepository {
    fun updateAll(
        navigatorInterfaceEntity: NavigatorInterfaceEntity,
    )
    var navigatorInterfaceEntity: NavigatorInterfaceEntity
}

class RealNavigatorInterfaceRepository(
    val database: NavigatorInterfaceDatabase,
    val coroutineScope: CoroutineScope,
    val dispatcherProvider: DispatcherProvider,
) : NavigatorInterfaceRepository {

    private val navigatorInterfaceDao: NavigatorInterfaceDao = database.navigatorInterfaceDao()
    override var navigatorInterfaceEntity = NavigatorInterfaceEntity(json = EMPTY_JSON)

    init {
        coroutineScope.launch(dispatcherProvider.io()) {
            loadToMemory()
        }
    }

    override fun updateAll(navigatorInterfaceEntity: NavigatorInterfaceEntity) {
        navigatorInterfaceDao.updateAll(navigatorInterfaceEntity)
        loadToMemory()
    }

    private fun loadToMemory() {
        navigatorInterfaceEntity =
            navigatorInterfaceDao.get() ?: NavigatorInterfaceEntity(json = EMPTY_JSON)
    }

    companion object {
        const val EMPTY_JSON = "{}"
    }
}
